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mash [69]
3 years ago
5

Warmup/Reflection- necessary for attendance

Mathematics
1 answer:
Pepsi [2]3 years ago
8 0

Answer:

x = 7

Step-by-step explanation:

-3 + 2x = 11

(group like terms)

2x = 11 + 3

2x = 14

(divide both sides by 2 to make x stand alone)

2x/2 = 14/2

x = 7

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Solve for x: ax+by=c
Luba_88 [7]
Hey there!

In order to solve these problems where you're given a bunch of variables and no numbers, all you have to do is push around the variables until you get what you're solving for (x) on one side of the = and the rest on the other side. This will be your answer. You can use multiplication, division, addition, and subtraction to solve. Remember that you have to what you do on one side to both sides. 

ax + by = c

\frac{ax}{a} + by =  \frac{c}{a}

(x + by)-by = \frac{c}{a}-by

x = \frac{c}{a}-by

Your answer will be \frac{c}{a}-by. 

Hope this helped you out! :-)
8 0
3 years ago
Read 2 more answers
Question 6
Masja [62]

Answer: 57.5% of students preferred pizza

Step-by-step explanation:

i just did it and got it correct

7 0
4 years ago
Michael played a game of darts. He threw 14 darts and hit the target
solniwko [45]
3/7

6 divided by 2 equals 3
14 divided by 2 equals 7
4 0
2 years ago
will give brainliest Ms. Davis hires Kyle to mow the grass, edge the lawn, clean up the leaves, and plant 2 flower beds. Kyle sp
Stells [14]

16.25 I did this and put 15.00 then it was wrong.

Hope this helps

3 0
3 years ago
Read 2 more answers
I dont know the answers to this question please tell me the x and y
Eddi Din [679]

<u>Answer:</u>

  • x = -5
  • y = 5

<u>Step-by-step explanation:</u>

  • => -7x - 2y = 25

            -4x - 9y = -25

  • => 4(-7x - 2y = 25)

             7(-4x - 9y = -25)

  • => -28x - 8y = 100

            -28x - 63y = -175

  • => 55y = 275
  • => y = 5

<u>Now, let's substitute the value of y into the first equation.</u>

  • => -7x - 2y = 25
  • => -7x - 2(5) = 25
  • => -7x - 10 = 25
  • => -7x = 35
  • => x = -5

<u>Now, let's check our answer to make sure our answer is correct.</u>

<u>Check:</u>

  • -4x - 9y = -25
  • => -4(-5) - 9(5) = -25
  • => 20 - 45 = -25
  • => -25 = -25

Hence, this is proved correct.

Hoped this helped.

BrainiacUser1357

3 0
2 years ago
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